Type Dimension(mm) d s r a≈ d1 H PM31003D 10 4.5 0.3 3.4 4.2 14 PM31003DL PM31303D 13 5.5 0.3 4.4 5.2 18.2 PM31303DL PM31603D 16 7 0.3 5 6.2 22.6 PM31603DL PM31905D 19 8.5 0.5 5.7 7.2 26 PM31905DL